Finding the Fourth Proportional to 6,384,161.61, 8,807,840.81 and 4,914,519.62
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Solution
The fourth proportional to 6,384,161.61, 8,807,840.81 and 4,914,519.62 is: 6,780,264.83
Step by Step Solution
- Step 1: Write the proportion equation
6,384,161.61 : 8,807,840.81 = 4,914,519.62 : x - Step 2: Convert to fraction form
6,384,161.61/8,807,840.81 = 4,914,519.62/x - Step 3: Cross multiply
6,384,161.61x = 8,807,840.81 × 4,914,519.62 - Step 4: Simplify right side
6,384,161.61x = 43,286,306,420,399.34 - Step 5: Solve for x
x = 43,286,306,420,399.34/6,384,161.61 - Step 6: Final answer
x = 6,780,264.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.